cxgbe KTLS tx: Distribute FW6_PLD replies across rx queues

[np]

Summary

If the connection flowid is available then the replies are requested on
the rx queue that is receiving wire traffic for the connection. This
reduces contention for the txq lock.

MFC after: 3 days
Sponsored by: Chelsio Communications

[jhb]

sys/dev/cxgbe/crypto/t7_kern_tls.c

253

I wonder if this should also break randomized if there is no flowtype matching the change you made in alloc_tlspcb()? In practice I suspect there is always a flowtype? (Can we just assert that I wonder?)

[jhb]

sys/dev/cxgbe/crypto/t7_kern_tls.c

253

s/break/be/

[np]

Initialize rx_qid and txq outside alloc_tlspcb